3M™ E-A-R™ Classic Uncorded Earplugs are an economical,reliable choice in hearing protection and conservation. The slow recovery foam used to create these ear plugs provides a flame resistant,moisture resistant and sound resistant barrier for the ear canal,making the 3M™ E-A-R™ Classic Earplug one of the most widely used foam earplugs today.
- Sweat and moisture-resistant for use in humid environments
- One size fits most
- Cylindrical shape creates a snug seal for noise reduction
- Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL
- Test compatible with 3M™ E-A-Rfit Validation System